# FuelFlow — Stop Bonking. Start PRing. > Real-time fueling tracker for endurance athletes, optimizing nutrition and hydration. (iPhone/iPad app by TheVSG LLC.) - Source: https://appshunter.io/ios/app/fuelflow/id6755150914 (this page in markdown: same URL + `.md`) - Developer: [TheVSG LLC](https://appshunter.io/developer/1852256392) - Category: Health & Fitness, Sports - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 26.0 · 66 MB - Languages: American English - Released: 2025-12-08 - Data updated: 2026-08-18 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/fuelflow/id6755150914/reviews.md ## What is FuelFlow? Built for the Dark Miles FuelFlow is a real-time fueling app for endurance athletes — the ones who know "just send it" stops working past mile 21. Whether you're prepping for your first marathon or your tenth 100-miler, FuelFlow tracks what you're putting in versus what your body is asking for, and tells you when to do something about it. NEW: ULTRA MODE (EARLY ACCESS) Build a race plan on the web at fuelflow.run — course, aid stations, pacing, per-phase fueling targets — then race it on iPhone and Apple Watch. • Aid station tracking: know what's coming and what your next segment needs • The Stack: an adaptive UI that simplifies as you get deeper into the pain cave, so the right action is always one tap away • Crew Mode: generate PDF crew cards and share links so pacers and crew know what to hand you, when • Course-aware fueling targets that respect terrain and pace • Works offline once your plan is downloaded Enable Ultra Mode in Settings. TRACK WHAT MATTERS, IN REAL TIME Log carbs, sodium, and water as you go — on iPhone or Apple Watch. No mental math at mile 18 or mile 93. Smart status messages tell you whether to fuel now, soon, or whether you're crushing it, based on where you are in the activity — not just hourly goals. APPLE WATCH THAT ACTUALLY WORKS Log nutrition without pulling out your phone. Quick Access Grid puts your go-to fuel one tap away. The watch app runs standalone — no phone required. Alerts when you fall behind. AUDIO COACHING: EYES UP, HANDS FREE (EARLY ACCESS) Spoken nutrition reminders during activities. Eight crew personalities from zen to drill sergeant. BUILT FOR ENDURANCE SPORTS • Running — road, trail, ultra • Cycling — road, gravel, mountain • Triathlon and multisport • Nordic skiing, swimming, hiking, mountaineering YOUR DATA, YOUR WAY Export every session: CSV, PDF (with route map and heart-rate graph), TCX, GPX, FIT. Import workouts from Apple Health, Strava, Garmin Connect, or upload FIT files from your bike computer to add nutrition to past activities. SMART TRACKING FEATURES • Customizable nutrition goals per sport • Sweat profile data with H drop data import • Pre-activity nutrition logging • Weather and route data • GI distress and energy level tracking • Personal records and trend analysis PRIVACY FIRST Your health data belongs to you. iCloud syncs privately across your devices. We don't sell your information or share it with third parties. RACE-DAY TESTED Built by ultrarunners. Tested at trail 50s, 100Ks, and 100-milers. Sharpened every release. START FUELING SMARTER Download FuelFlow and stop wondering if you're doing it right. Your next personal best starts here. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Real-time nutrition and hydration tracking - Course-aware fueling targets - Adaptive UI for deep activity stages - Crew and pacer support - Offline plan functionality - Apple Watch standalone app - Audio coaching reminders ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | FuelFlow Premium | $14.99 | per year | | FuelFlow Premium | $1.99 | per month | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/fuelflow/id6755150914/reviews.md ### 5/5 — Easy and Useful Data *2026-05-12* Really illuminated how bad I was at fueling on feel. I of course knew that, but seeing it in real time helped me learn to correct it and get used to training my gut better. Excellent tool! ### 5/5 — Awesome Training aid *2025-12-19* This app was a great tool for my training, the ability to hand-select which terrain, and the food I ate either before during gave me a great chance to make sure I am working out properly. It’s also super easy to import your activity from Garmin or Strava. I would highly recommend this app to anyone who is looking to avoid the bonk! ## Frequently asked questions about FuelFlow ### What is FuelFlow? FuelFlow is a real-time fueling app designed for endurance athletes. It helps you track your carbohydrate, sodium, and water intake during activities like marathons, ultras, and long bike rides, providing smart status messages and reminders. ### What sports does FuelFlow support? FuelFlow is built for a variety of endurance sports including road, trail, and ultra running; road, gravel, and mountain cycling; triathlon and multisport; Nordic skiing, swimming, hiking, and mountaineering. ### Can I use FuelFlow offline? Yes, FuelFlow works offline once your race plan is downloaded. This is crucial for remote training or races where connectivity may be unreliable. ### Does FuelFlow have ads? No, FuelFlow does not contain advertisements. The app is free to download and use, with optional premium subscription plans for advanced features. ### What are the subscription options for FuelFlow? FuelFlow offers a premium subscription with two plans: $1.99 per month or $14.99 per year. Both plans include a free trial period to explore the premium features. ### How accurate is FuelFlow's data? FuelFlow focuses on real-time logging of your intake and compares it against your personalized goals and activity progress. It also supports importing sweat profile data and H drop data for more precise tracking. ### Can I export my data from FuelFlow? Yes, FuelFlow allows you to export your session data in various formats including CSV, PDF (with route map and heart-rate graph), TCX, GPX, and FIT files. You can also import workouts from other services like Apple Health and Strava. ### What is the age rating for FuelFlow? FuelFlow has an age rating of 4+, making it suitable for a wide range of users. The app is designed for individuals participating in endurance sports. ## Version history (last 5 releases) ### 2026.08.01 — 2026-08-17 Ultra mode now syncs with weather from historical averages on races in the future. CloudKit sync no longer fails silently on updates Many more bug fixes... at least 7. ### 2026.07.02 — 2026-07-24 Ultra mode sync fixes & race mode improvements! ### 2026.07.01 — 2026-07-22 We made the watch go as fast as you, the athlete! Also fixed some bugs and annoying UX problems. Seriously, go get those miles! ### 2026.06.15 — 2026-06-16 Scan nutrition labels for easy adding to the food library Made FuelFlow faster on the Apple Watch Bug fixes ### 2026.06.01 — 2026-06-02 hDrop Import support (copy/paste your data into FuelFlow and it will update sweat rates automatically) Multiple source imports (Strava, Garmin, etc.) will no longer trample each other Updated some UI gaps. Bug fixes and performance improvements. ## More apps by TheVSG LLC - [InclineFlow](https://appshunter.io/ios/app/inclineflow/id6755155865) All apps by TheVSG LLC: https://appshunter.io/developer/1852256392 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*